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	<title>09-容器</title>
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		<h1>容器的作用是装东西！</h1>
		<h2>div是一个块级元素，独占一行</h2>
		<p>sdkjlfasdfjlaksdfjlsadkfjlaksdjflkasdfjlaskdjflsakdjflkasjdlfasdlkfjlasdkf</p>
		<div>div</div>
		<p>sdkjlfasdfjlaksdfjlsadkfjlaksdjflkasdfjlaskdjflsakdjflkasjdlfasdlkfjlasdkf</p>
		<h2>span也是一个块级元素，独占一行</h2>
		<span>span</span>
		<p>sdkjlfasdfjlaksdfjlsadkfjlaksdjflkasdfjlaskdjflsakdjflkasjdlfasdlkfjlasdkf</p>
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